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pl2250皮秒激光器-激光器件

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2020-09-04

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上海尖丰光电技术有限公司

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产品简介

型号：PL2250

详细信息

PL2250系列高能量皮秒锁模Nd：YAG激光器(PL2250 series high energy picosecond mode-locked Nd:YAG lasers)

品牌：EKSPLA

型号：PL2250

采用了单脉冲能量100 mJ，小于30皮秒（20 ps可选）脉冲持续时间，pl2250系列皮秒锁模钕：YAG激光器在高脉冲能量皮秒激光器建立了新标准。创新和成本效益的设计，可以提高激光的可靠性，同时降低运行和维护成本。

Features

Hermetically sealed DPSS master oscillator
Diode pumped regenerative amplifier
Flashlamp pumped power amplifier producing up to 100 mJ per pulse at 1064 nm
30 ps pulse duration (20 ps optional)
Excellent pulse duration stability
Up to 50 Hz repetition rate
Streak camera triggering pulse with <10 ps rms jitter
Excellent beam pointing stability
Thermo stabilized second, third or fourth harmonic generator options
PC control via USB and LabVIEW? drivers (RS232 control is optional)
Remote control via keypad

Applications

Time resolved spectroscopy
SFG/SHG spectroscopy
Nonlinear spectroscopy
OPG pumping
Remote laser sensing
Satellite ranging
Other spectroscopic and nonlinear optics experiments

PL2250 series lasers set a new standard in high pulse energy picosecond lasers. Their innovative and cost-effective design improves laser reliability and reduces running and maintenance costs.

Innovative design

The heart of the system is a diode pumped solid state (DPSS) master oscillator placed in a hermetically sealed monolithic block. The flashlamp pumped regenerative amplifier is replaced by an innovative diode pumped regenerative amplifier. Diode pumping results in negligible thermal lensing, which allows operation of the regenerative amplifier at variable repetition rates, as well as improved long-term stability and maintenance-free operation.
The optimized multiple-pass power amplifier is flashlamp pumped and is optimized for efficient amplification of pulse while maintaining a near Gaussian beam profile and low wavefront distortion. The output pulse energy can be adjusted in approximately 1% steps, at the same time as pulse-to-pulse energy stability remains less than 0.8% rms at 1064 nm. Angle-tuned KD*P and KDP crystals mounted in thermostabilised ovens are used for second, third and fourth harmonic generation. Harmonics separators ensure the high spectral purity of each harmonic directed to different output ports.
Built-in energy monitors continuously monitor output pulse energy. Data from the energy monitor can be seen on the remote keypad or PC monitor. The laser provides several triggering pulses for synchronization of the customer‘s equipment. The lead or delay of the triggering pulse can be adjusted in 0.25 ns steps from the control pad or PC. Up to 1000 μs lead of triggering pulse is available as a pretrigger option.
Precise pulse energy control, excellent short-term and long-term stability, and up to 50 Hz repetition rate makes PL2250 series lasers an excellent choice for many demanding scientific applications.

Simple and convenient laser control

For customer convenience the laser can be controlled from a user-friendly remote control pad or USB interface. The remote pad allows easy control of all parameters and features a backlit display that is easy to read even while wearing laser safety eyewear. Alternatively, the laser can be controlled from a personal computer with supplied software for a Windows? operating system. LabVIEW? drivers are supplied as well.

Model	PL2250	PL2251	PL2251A	PL2251B	PL2251C
Pulse energy
At 1064 nm	1 mJ	30 mJ	50 mJ ²⁾	80 mJ ²⁾	100 mJ
At 532 nm ³⁾	0.45 mJ	15 mJ	25 mJ	40 mJ	50 mJ
At 355 nm ⁴⁾	0.3 mJ	10 mJ	15 mJ	24 mJ	30 mJ
At 266 nm ⁵⁾	0.15 mJ	3 mJ	7 mJ	10 mJ	12 mJ
At 213 nm ⁶⁾	-	1.5 mJ	3 mJ	4.5 mJ	6 mJ
Pulse energy stability, (Std. Dev.) ⁷⁾
At 1064 nm	< 0.2 %	< 0.8 %
At 532 nm	< 0.4 %	<1.0 %
At 355 nm	< 0.5 %	< 1.1 %
At 266 nm	< 0.5 %	< 1.2 %
At 213 nm	-	< 2.5 %
Pulse duration (FWHM) ⁸⁾	30 ± 3 ps
Pulse duration stability ⁹⁾	± 1.0 ps
Repetition rate	0-50 Hz	50 or 10 Hz	50, 20 or 10 Hz	20 or 10 Hz	10 Hz
Polarization	linear, vertical, > 100:1
Pre-pulse contrast	> 200:1
Triggering mode	internal/external
SYNC OUT pulse jitter ¹⁰⁾	< 0.1 ns
SYNC OUT pulse delay ¹¹⁾	- 500...50 ns
Beam divergence ¹²⁾	< 1.5 mrad	< 0.6 mrad	< 0.5 mrad	< 0.5 mrad	< 0.5 mrad
Beam pointing stability ¹³⁾	< 10 μrad	< 50 μrad	< 50 μrad	< 50 μrad	< 50 μrad
Beam diameter ¹⁴⁾	~2.5 mm	~ 6 mm	~ 8 mm	~10 mm	~12 mm
Typical warm-up time	5 min	30 min	30 min	30 min	30 min

Physical characteristics

Model	PL2250	PL2251
Laser head size (W x L x H)	453x1024x260 mm	453x1224x250 mm
Electric cabinet size (W x L x H)	12 VDC power adapter, 85x170x41 mm	550x600x550 mm
Umbilical length	2.5 m

Operating requirements

Model	PL2250	PL2251	PL2251A	PL2251B	PL2251C
Water consumption (max 20 °C )	Air cooled	< 8 l/min
Room temperature	22 ± 2 °C
Relative humidity	20-80 % (non-condensing)
Power requirements ¹⁵⁾	110-240 VAC, 50/60 Hz	Single phase, 208 or 230 VAC, 16A, 50/60 Hz
Power ¹⁶⁾	< 0.15 kVA	< 1.5 kVA	< 1.5 kVA	< 2 kVA	< 2.5 kVA

1) Due to continuous improvement, all specifications are subject to change without notice. Parameters marked typical are not specifications. They are indications of typical performance and will vary with each unit we manufacture. Unless stated otherwise, all specifications are measured at 1064 nm.

2) PL2251A-50 has 40 mJ at 1064 nm, PL2251B-20 has 70 mJ at 1064 nm output energy. Inquire for these energies at other wavelengths.

3) For -SH option. Outputs are not simultaneous. Please inquire for pulse energies at other wavelengths.

4) For -TH option. Outputs are not simultaneous. Please inquire for pulse energies at other wavelengths.

5) For -FH option. Outputs are not simultaneous. Please inquire for pulse energies at other wavelengths.

6) For -FiH option. Outputs are not simultaneous. Please inquire for pulse energies at other wavelengths. FiH option is supplied in separate harmonics unit.

7) Averaged from 300 pulses.

8) Inquire for optional pulse durations in 20 – 90 ps range.

9) Measured over 1 hour period when ambient temperature variation is less than ±1 °C.

10) 10 ps jitter is provided with PRETRIG option.

11) SYNC OUT lead or delay can be adjusted with 0.25 ns steps in specified range.

12) Full angle measured at the 1/e2 point at 1064 nm .

13) RMS value measured from 300 shots.

14) Beam diameter is measured at 1064 nm at the 1/e2 point.

15) Three phase 208 or 380 VAC mains are required for 50 Hz versions.

16) For 10 Hz version.

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